/**
 * 
 */

/**
 * @author yaoshen.yu.128@gmail.com
 *
 */
public class hello {
	public static void main (String args[]) {
		System.out.println("这是一个简单的JAVA应用程序");
		Student stu=new Student();
		stu.speak("We are students");
	}
}
class Student {
	public void speak(String s) {
		System.out.println(s);
	}
}